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11310242505 = 351129966733
BaseRepresentation
bin10101000100010010…
…01001101011001001
31002012020012211221120
422202021021223021
5141130410230010
65110145425453
7550164321642
oct124211115311
932166184846
1011310242505
114884378661
12223793b289
1310b32a04b3
1479418c6c9
15462e22e70
hex2a2249ac9

11310242505 has 16 divisors (see below), whose sum is σ = 18098260800. Its totient is φ = 6031505088.

The previous prime is 11310242497. The next prime is 11310242509. The reversal of 11310242505 is 50524201311.

It is a happy number.

It is not a de Polignac number, because 11310242505 - 23 = 11310242497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11310242509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136119 + ... + 202851.

It is an arithmetic number, because the mean of its divisors is an integer number (1131141300).

Almost surely, 211310242505 is an apocalyptic number.

11310242505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11310242505 is a deficient number, since it is larger than the sum of its proper divisors (6788018295).

11310242505 is a wasteful number, since it uses less digits than its factorization.

11310242505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78040.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 11310242505 its reverse (50524201311), we get a palindrome (61834443816).

The spelling of 11310242505 in words is "eleven billion, three hundred ten million, two hundred forty-two thousand, five hundred five".

Divisors: 1 3 5 15 11299 33897 56495 66733 169485 200199 333665 1000995 754016167 2262048501 3770080835 11310242505